Oral waterjet



FIG. 1 is a front perspective view of our new design for an oral waterjet;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The broken lines in the drawings depict features of the oral waterjet that form no part of the claimed design. 

CLAIM We claim the ornamental design for an oral waterjet, as shown and described. 